Michaël Lemaire
52bad18d26
Backface culling speeds up rasterization Previous fragment will be used later by vegetation rasterizer
57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
#include "BaseTestCase.h"
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#include "CanvasPixel.h"
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TEST(CanvasPixel, MaxFragments)
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{
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CanvasPixel pixel;
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// One opaque fragment
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pixel.pushFragment(CanvasFragment(true, Vector3(0.0, 0.0, 0.0), Vector3(), 0, true));
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// Overflow max fragment count with transparent fragments
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for (int i = 0; i < MAX_FRAGMENTS_PER_PIXEL * 2; i++)
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{
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pixel.pushFragment(CanvasFragment(true, Vector3(0.0, 0.0, (double)i), Vector3(), 0, false));
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}
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ASSERT_EQ(MAX_FRAGMENTS_PER_PIXEL, pixel.getFragmentCount());
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EXPECT_DOUBLE_EQ(pixel.getFragment(0).getZ(), 0.0);
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EXPECT_EQ(pixel.getFragment(0).getOpaque(), true);
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EXPECT_DOUBLE_EQ(pixel.getFragment(MAX_FRAGMENTS_PER_PIXEL - 1).getZ(), (double)(MAX_FRAGMENTS_PER_PIXEL * 2 - 1));
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EXPECT_EQ(pixel.getFragment(MAX_FRAGMENTS_PER_PIXEL - 1).getOpaque(), false);
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}
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TEST(CanvasPixel, SameTransparent)
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{
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CanvasPixel pixel;
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pixel.pushFragment(CanvasFragment(true, Vector3(0.0, 0.0, 1.4), Vector3(), 0, false));
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pixel.pushFragment(CanvasFragment(true, Vector3(0.0, 0.0, 1.4), Vector3(), 0, false));
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ASSERT_EQ(1, pixel.getFragmentCount());
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pixel.pushFragment(CanvasFragment(true, Vector3(0.0, 0.0, 1.4), Vector3(), 1, false));
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ASSERT_EQ(2, pixel.getFragmentCount());
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EXPECT_EQ(pixel.getFragment(0).getClient(), 0);
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EXPECT_EQ(pixel.getFragment(1).getClient(), 1);
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}
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TEST(CanvasPixel, SameOpaque)
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{
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CanvasPixel pixel;
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pixel.pushFragment(CanvasFragment(true, Vector3(0.0, 0.0, 1.4), Vector3(), 0, true));
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pixel.pushFragment(CanvasFragment(true, Vector3(0.0, 0.0, 1.4), Vector3(), 0, true));
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ASSERT_EQ(1, pixel.getFragmentCount());
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pixel.pushFragment(CanvasFragment(true, Vector3(0.0, 0.0, 1.4), Vector3(), 1, true));
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ASSERT_EQ(1, pixel.getFragmentCount());
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EXPECT_EQ(pixel.getFragment(0).getClient(), 0);
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}
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